package com.futureweaver.advice;

import com.futureweaver.resposne.vo.CustomResponseEntity;
import java.util.Map;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@ControllerAdvice
public class ResponseEntityAssembler implements ResponseBodyAdvice<Object> {

    @Override
    public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
        if (body instanceof Map) {
            return body;
        } else if (body instanceof Boolean) {
            CustomResponseEntity result = new CustomResponseEntity();
            result.setSuccess((Boolean)body);
            result.setMsg("operation succeed");
            return result;
        } else if (body instanceof CustomResponseEntity) {
            return body;
        } else {
            CustomResponseEntity result = new CustomResponseEntity();
            result.setSuccess(true);
            result.setData(body);
            return result;
        }
    }
}
